Teléfonos:
(722) 2 80 35 71

   
 
Samwha : Protección : EOCR
   
   
 

 

 

EOCR-3DZ

 

EOCR-FDZ

 
  Compact Design
  MCU( Microprocessor Control Unit ) Based
  ASIC(Application Specific Integrated Circuit)Inside
  Three Integral Current Transformers
  Overcurrent/Phase Loss/Phase Reversal/Phase Unbalace/Locked Rotor/Ground Fault
  Digital Ammeter
  Troubleshooting/Trip Cause Memory, Display
  Adjustable Operating Features by DIP switch Setting
  Wide Current Adjustment Range
  Selectable Time-Current Characteristics(Inverse/Definite)
  Manual(Instantaneous)/Electrical(Remote)Reset
  Test Function
  Ambient Insensitive
  Selectable Fail-safe and Non-fail-safe Operation Modes
 
Protective Item

Trip Time

Over-current

DEF : 0.3 ~ 25sec, INV : 1~30

Phase Loss
within 4sec
Phase Unbalance
8sec
Phase Reversal
0.1sec
Locked Rotor
DEF : within 0.5sec after dt
INV : If D-Time=0sec
      Operating according to Cold-curve
      If D-Time=Over 0sec
      Operating according to Hot-curve
      after D-time set
Ground Fault
1 or 0.03sec
 
over Current Setting
Type
Setting Range
05
0.5 - 6A
60
5 - 60A
100
10 - 120A
with External CTs
150
15 - 180A
200
20 - 240A
300
30 - 360A
400
40 - 480A
500
50 - 600A
600
60 - 720A
Ground Fault Current Setting
A
0.05~2.5A
B
0.2~10A

Start Delay Time Setting(D-TIME)

SW3-INV/On

0~120sec

SW3-DEF/Off
1~120sec

Trip Delay Time Setting (O-TIME)

SW3-INV/On
1-30
SW3-DEF/Off
0.3-25sec

Conrol Voltage

85-250VAC/DC
Output Relay
O.L
1-SPST(1b), 3A/250VAC Resistive
G.R
1-SPST(1a), 3A/250VAC Resistive
Time Characteristic
SW3-INV/On
Inverse
SW3-DEF/Off
Definite
Trobleshooting/Trip Indication
LED Display
Current Sensing
3-CT

Mounting

35mm DIN-Rail/Panel
 
EOCR-3DZ

 

EOCR-FDZ

   
 
 

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